<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Single Source of Truth on Frank Zhang | AI &amp; I</title><link>https://blog.frank-zhang.com/tags/single-source-of-truth/</link><description>Recent content in Single Source of Truth on Frank Zhang | AI &amp; I</description><generator>Hugo -- gohugo.io</generator><language>en-us</language><copyright>© 2026 Frank Zhang</copyright><lastBuildDate>Fri, 21 Aug 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://blog.frank-zhang.com/tags/single-source-of-truth/index.xml" rel="self" type="application/rss+xml"/><item><title>🏛️ Core Pillar V: Unified Action Terminal &amp; Research Infra: Building the Single Source of Truth for V7.2</title><link>https://blog.frank-zhang.com/investment/v7-1-9-unified-terminal-research-infra/</link><pubDate>Fri, 21 Aug 2026 00:00:00 +0000</pubDate><guid>https://blog.frank-zhang.com/investment/v7-1-9-unified-terminal-research-infra/</guid><description>&lt;h1 class="relative group"&gt;🏛️ Core Pillar V: Unified Action Terminal &amp;amp; Research Infra: Building the Single Source of Truth for V7.2
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&lt;blockquote&gt;&lt;p&gt;&lt;strong&gt;Release Version&lt;/strong&gt;: v7.1.7 - v7.1.9&lt;br&gt;
&lt;strong&gt;Core Components&lt;/strong&gt;: &lt;code&gt;templates/trade.html&lt;/code&gt;, &lt;code&gt;dashboard.py&lt;/code&gt;, &lt;code&gt;templates/tools.html&lt;/code&gt;, &lt;code&gt;data/research_cache.json&lt;/code&gt;&lt;br&gt;
&lt;strong&gt;Tags&lt;/strong&gt;: &lt;code&gt;Unified Terminal&lt;/code&gt; · &lt;code&gt;Single Source of Truth&lt;/code&gt; · &lt;code&gt;Research Cache&lt;/code&gt; · &lt;code&gt;yfinance BULK Prefetching&lt;/code&gt;&lt;/p&gt;
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&lt;h2 class="relative group"&gt;📖 Introduction: Resolving Heterogeneous Information &amp;amp; Eliminating Decision Conflicts
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&lt;p&gt;In complex multi-engine quantitative trading systems, a frequent friction point is &lt;strong&gt;cross-view decision inconsistency&lt;/strong&gt;: the daily scanner outputs &lt;code&gt;ADD&lt;/code&gt;, the rebalance filter tags &lt;code&gt;HOLD&lt;/code&gt;, while the 1H tactical timeframe signals &lt;code&gt;WATCH&lt;/code&gt;. Tiny discrepancies across UI panels increase cognitive load and trigger trading hesitation.&lt;/p&gt;</description></item></channel></rss>